2. SPECIFICATIONS
Amplifier section
Power output specification is for when power supply is 230 V.
•Continuous power output (both
channels driven at 20 Hz to 20 kHz)
A-70DA/A-50DA . . . . . . . . . . . . . . . . . . . . . . . . .90 W + 90 W
(THD 0.5 %, 4 Ω)
A-70DA/A-50DA . . . . . . . . . . . . . . . . . . . . . . . . .65 W + 65 W
(THD 0.5 %, 8 Ω)
Audio section
•Input terminals (Sensitivity/Impedance)
BALANCED . . . . . . . . . . . . . . . . . . . . . . . . . . .200 mV/82 k
POWER AMP DIRECT . . . . . . . . . . . . . . . . . . . . . . 1 V/10 k Ω
Ω
Ω
PHONO (MM). . . . . . . . . . . . . . . . . . . . . . . . . . 2.8 mV/50 k Ω
PHONO (MC) . . . . . . . . . . . . . 0.24 mV/100 Ω(A-70DA only)
COAXIAL . . . . . . . . . . . . . . . . . . . . . . . . . . .500 mVp-p/75 Ω
•Output (Level/Impedance)
LINE 2 OUT . . . . . . . . . . . . . . . . . . . . . . . . . . 200 mV/2.2 k Ω
•Frequency response
SACD/CD, NETWORK, LINE 1, LINE 2
. . . . . . . . . . . . . . . . . . . . . . . . . . . .. .. .5 Hz to 50 kHz ±3 dB*
•RIAA DEVIATION
PHONO (MM) . . . . . . . . . . . . . . . . 20 Hz to 20 kHz ±0.5 dB*
PHONO (MC)
. . . . . . . . . . . . . . . . .20 Hz to 20 kHz ±0.5 dB*(A-70DA only)
•Signal-to-Noise Ratio (IHF SHORTED,
A-NETWORK)
SACD/CD, NETWORK, LINE 1, LINE 2 . . . . . . . . . . . 101 dB*
PHONO (MM, 5 mV input). . . . . . . . . . . . . . . . . . . . . 89 dB*
PHONO (MC, 0.5 mV input) . . . . . . . . .74 dB*(A-70DA only)
* Measured with DIRECT button switched on.
* Measured with DIRECT button switched on.
•Guaranteed impedance
A, B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Ωto 16 Ω
A+B. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Ωto 32 Ω
Bi-wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Ωto 16Ω
•Tone control
Bass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ± 10 dB (100 Hz)
Treble . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ± 10 dB (10 kHz)
Miscellaneous
Power requirements
. . . . . . . . . .
. . . . . . . . . .
. . . . . . AC 220 V to 230 V, 50 Hz
Power consumption
A-70DA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74 W
A-50DA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72 W
In standby . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0.3 W
Dimensions
A-70DA . . . . . . .435 mm (W) x 141.5 mm (H) x 370 mm (D)
A-50DA. . . . . . . 435 mm (W) x 138.5 mm (H) x 368 mm (D)
Weight (without package)
A-70DA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17.2 kg
A-50DA . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11.1 kg
Note
• Specifications and the design are subject to
possible modifications without notice, due to
improvements.
• Corporation and product names mentioned herein
are trademarks or registered trademarks of the
respective corporations.
• “Pioneer” is a trademark of Pioneer Corporation,
and is used under license.
SACD/CD, NETWORK, LINE 1, LINE 2 . . . . . 200 mV/50 k
